| Kohls, Walter | Walter Kohls | Actor | 1950 - 1961 | 2 | |
| Kaufmann, Charlotte | Charlotte Kaufmann | Actor | 1950 | 1 | |
| Kielmann, Henry | Henry Kielmann | Actor | 1950 | 1 | |
| Kettler, Liselott | Liselott Kettler | Actor | 1950 - 1966 | 3 | |
| Kuhn, Änne | Änne Kuhn | Actor | 1950 | 1 | |
| Koblentz, Hannelore | Hannelore Koblentz | Actor | 1950 | 1 | |
| Kochan, Stanisław | Stanisław Kochan | Actor | 1900 | 1 | |
| Kahn, Florence | Florence Kahn | Actor | 1900 - 1936 | 8 | 1 |
| Knoblauch, Edward | Edward Knoblauch | Actor | 1900 | 1 | |
| Kazouri, Ourania | Ourania Kazouri | Actor | 1900 - 1904 | 4 | |
| Kačalov, Vasilij | Vasilij Kačalov | Actor | 1900 - 1924 | 11 | 1 |
| Koševerova, M. | M. Koševerova | Actor | 1900 - 1924 | 5 | |
| Koreneva, L. | L. Koreneva | Actor | 1900 - 1924 | 5 | |
| Koonen, A. | A. Koonen | Actor | 1900 - 1924 | 5 | |
| Knipper-Chekhova, Olga Leonardovna | Olga Leonardovna Knipper-Chekhova | Actor | 1900 - 1918 | 6 | 1 |
| Klafstad, Ingebjørg | Ingebjørg Klafstad | Actor | 1901 | 1 | |
| Kwiatkiewiczowa, Eugenia | Eugenia Kwiatkiewiczowa | Actor | 1901 - 1914 | 5 | |
| Klintberg, - | - Klintberg | Actor | 1901 - 1903 | 4 | |
| Kalogerikos, Panos | Panos Kalogerikos | Actor | 1902 - 1916 | 12 | |
| Kalogerikou, Christina | Christina Kalogerikou | Actor | 1902 - 1943 | 6 | |
| Kourteli, E. | E. Kourteli | Actor | 1902 | 1 | |
| Kasandzhieva, Kina | Kina Kasandzhieva | Actor | 1902 | 1 | |
| König, Amalie | Amalie König | Actor | 1902 | 1 | |
| Kline, Virginia | Virginia Kline | Actor | 1902 - 1910 | 12 | 1 |
| Krum, Gerda | Gerda Krum | Actor | 1903 | 1 | |
| Korwinóvna, - | - Korwinóvna | Actor | 1903 | 1 | |
| Kalitovič, I. | I. Kalitovič | Actor | 1903 | 1 | |
| Koumarioti, Eleni | Eleni Koumarioti | Actor | 1903 | 2 | |
| Kinghorne, Mark | Mark Kinghorne | Actor | 1903 | 1 | |
| Kassabov, Dotscho | Dotscho Kassabov | Actor | 1903 - 1915 | 2 | |
| Kosiński, Feliks | Feliks Kosiński | Actor | 1903 | 2 | |
| Kliszewski, Antoni | Antoni Kliszewski | Actor | 1903 - 1906 | 2 | |
| Kafka, Rudolf | Rudolf Kafka | Actor | 1904 - 1912 | 5 | |
| Kazimierz, Kamiński | Kamiński Kazimierz | Actor | 1904 | 1 | |
| Kalff, Marie | Marie Kalff | Actor | 1904 - 1928 | 2 | |
| Kelbey, Gerald A. | Gerald A. Kelbey | Actor | 1904 | 1 | |
| Kenman, Margaret | Margaret Kenman | Actor | 1904 | 1 | 1 |
| Korczak-Wesołowski, Zygmunt | Zygmunt Korczak-Wesołowski | Actor | 1904 - 1905 | 2 | |
| Karasińska, Janina (?) | Janina (?) Karasińska | Actor | 1904 | 1 | |
| Kendall, Frk. | Frk. Kendall | Actor | 1904 | 1 | |
| Kilpi, Eero | Eero Kilpi | Actor | 1904 - 1943 | 8 | 1 |
| Kirtschev, Atanas | Atanas Kirtschev | Actor | 1904 - 1909 | 8 | |
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